def showhelp():
    print("\n")
    print("\t1111111111111111111111111111111111111111111111111111111111111111111111")
    print("\t11                                                                  11")
    print("\t11    11111111       1111111    111     111   111111111  1111111111 11")
    print("\t11   1111  1111    1111  1111   111     111   111111111  1111111111 11")
    print("\t11  111      111   11      111  1111    111   111        111        11")
    print("\t11 111            111           11111   111   111        111        11")
    print("\t11 111   1111111  111           111111  111   11111111   111111111  11")
    print("\t11 111   11  111  111           111 111 111   11111111   111111111  11")
    print("\t11 1111      111   11      111  111  111111   111        111        11")
    print("\t11  1111    1111   111    1111  111   11111   111        111        11")
    print("\t11   1111111111     11111111    111    1111   111        111        11")
    print("\t11     11111          1111      111     111   111        111        11")
    print("\t11                                                                  11")
    print("\t11==================================================================11")
    print("\t11                                                                  11")
    print("\t11           GCNFF is a molecular dynamics force field              11")
    print("\t11             based on Graph Convolutional Networks.               11")
    print("\t11                                                                  11")
    print("\t11==================================================================11")
    print("\t11                                                                  11")
    print("\t11          The general command form for running GCNFF is:          11")
    print("\t11             --> gcnff [action commond] [input] <--               11")
    print("\t11                                                                  11")
    print("\t11------------------------------------------------------------------11")
    print("\t11                                                                  11")
    print("\t11                       [action commond]                           11")
    print("\t11                                                                  11")
    print("\t11                        (1) get_graph                             11")
    print("\t11           (2) divide_set         |                               11")
    print("\t11           (3) divide_fix_train   | direct_fix_train              11")
    print("\t11           (4) divide_free_train  | direct_free_train             11")
    print("\t11                        (5) direct_train                          11")
    print("\t11                        (6) model_test                            11")
    print("\t11                        (7) get_potential                         11")
    print("\t11                        (8) showfig                               11")
    print("\t11                                                                  11")
    print("\t11------------------------------------------------------------------11")
    print("\t11                                                                  11")
    print("\t11        For more information, please visit our website:           11")
    print("\t11                     http://www.gcnff.com                         11")
    print("\t11                                                                  11")
    print("\t1111111111111111111111111111111111111111111111111111111111111111111111")